@import "~scss/base";
.head_back{
  height: 40px;
  display: flex;
  text-align: center;
  line-height: 40px;
  border-bottom: 1px solid #eee;
  position: fixed;
  width: 100%;
  max-width: 600px;
  top: 0;
  background-color: #fff;
 >span{
   width: 60px;
   height: 100%;
   &:active{
     background-color: #f4f4f4;
   }
 }
  >p{
    flex: 1;
    padding-right: 60px;

  }
}